Finding the Fourth Proportional to 32,136,136.80, 48,156,953.71 and 18,992,026.23
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Solution
The fourth proportional to 32,136,136.80, 48,156,953.71 and 18,992,026.23 is: 28,460,114.35
Step by Step Solution
- Step 1: Write the proportion equation
32,136,136.80 : 48,156,953.71 = 18,992,026.23 : x - Step 2: Convert to fraction form
32,136,136.80/48,156,953.71 = 18,992,026.23/x - Step 3: Cross multiply
32,136,136.80x = 48,156,953.71 × 18,992,026.23 - Step 4: Simplify right side
32,136,136.80x = 914,598,128,150,940.25 - Step 5: Solve for x
x = 914,598,128,150,940.25/32,136,136.80 - Step 6: Final answer
x = 28,460,114.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.